#978C00
Closest named color: Dark Mustard (#A88905). oklch(63% 0.133 104), rgb(151, 140, 0).
Aa
Black text reads best on this color (6.06:1).
About this color
#978C00 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 63%, its chroma 0.133 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mustard (#A88905), ΔE 0.028 away. Black text reads best on it, at 6.06:1.
| Hue family | Yellows |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Dark Mustard (#A88905) |
| Black text | 6.06:1 |
| White text | 3.46:1 |
Values
| HEX | #978C00 |
| RGB | rgb(151, 140, 0) |
| HSL | hsl(56, 100%, 30%) |
| OKLCH | oklch(63% 0.133 104) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #978C00 | 3.46:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #978C00 | 6.06:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #978C00 text on white | 3.46:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #978C00 text on black | 6.06:1 | AA | Lc -39.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F6F6EF
oklch(97.1% 0.009 106.6)
-
Step 100
100
#ECEBDD
oklch(93.7% 0.019 103.4)
-
Step 200
200
#DDDBC0
oklch(88.6% 0.036 103.6)
-
Step 300
300
#C7C393
oklch(80.8% 0.064 103.7)
-
Step 400
400
#ABA452
oklch(70.7% 0.105 104.3)
-
Step 500
500 (this color)
#978C00
oklch(63% 0.133 104)
-
Step 600
600
#7F7600
oklch(55.6% 0.118 104.3)
-
Step 700
700
#6B6300
oklch(49.2% 0.104 104)
-
Step 800
800
#585100
oklch(42.8% 0.09 103.8)
-
Step 900
900
#494300
oklch(37.7% 0.08 103.8)
-
Step 950
950
#2B2702
oklch(26.9% 0.054 103.3)
#978C00 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #9A8700 | 0.014 |
| Deuteranopia (no green cones) | #9D8C15 | 0.012 |
| Tritanopia (no blue cones) | #A38176 | 0.121 |
| Achromatopsia (no color) | #8A8A8A | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #978C00
#978C00
oklch(63% 0.133 104)
- #807CD6
#807CD6
oklch(62.9% 0.133 283.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #978C00, closest first.
No curated palette has a color within ΔE 0.04 of #978C00.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mustard #A88905 ΔE 0.028
- Pea Soup #929901 ΔE 0.036
- Yellowy Brown #AE8B0C ΔE 0.038
- Mustard Brown #AC7E04 ΔE 0.049
- Olive #808000 ΔE 0.051
- Camo #7F8F4E ΔE 0.053
- Dark Yellow Green #728F02 ΔE 0.054
- Brown Yellow #B29705 ΔE 0.054
Use #978C00 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.