#978E37
Closest named color: Dark Mustard (#A88905). oklch(63.7% 0.108 103.4), rgb(151, 142, 55).
Aa
Black text reads best on this color (6.24:1).
About this color
#978E37 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 64%, its chroma 0.108 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mustard (#A88905), ΔE 0.031 away. Black text reads best on it, at 6.24:1.
| Hue family | Yellows |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Dark Mustard (#A88905) |
| Black text | 6.24:1 |
| White text | 3.36:1 |
Values
| HEX | #978E37 |
| RGB | rgb(151, 142, 55) |
| HSL | hsl(54, 47%, 40%) |
| OKLCH | oklch(63.7% 0.108 103.4) |
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 #978E37 | 3.36:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #978E37 | 6.24:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #978E37 text on white | 3.36:1 | AA large text | Lc 61.0 | Content text, not long reading |
| #978E37 text on black | 6.24:1 | AA | Lc -40.7 | 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
#F6F6F0
oklch(97.1% 0.008 106.5)
-
Step 100
100
#EBEADF
oklch(93.5% 0.015 102.5)
-
Step 200
200
#DCDAC4
oklch(88.4% 0.03 102.7)
-
Step 300
300
#C6C39B
oklch(80.9% 0.054 104)
-
Step 400
400
#AAA364
oklch(70.7% 0.084 102.8)
-
Step 500
500 (this color)
#978E37
oklch(63.7% 0.108 103.4)
-
Step 600
600
#807600
oklch(55.7% 0.117 103.6)
-
Step 700
700
#6B6300
oklch(49.2% 0.104 104)
-
Step 800
800
#585100
oklch(42.8% 0.09 103.8)
-
Step 900
900
#48430E
oklch(37.7% 0.071 103.8)
-
Step 950
950
#2A270B
oklch(26.9% 0.044 103.2)
#978E37 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) | #9A892D | 0.013 |
| Deuteranopia (no green cones) | #9D8E3C | 0.011 |
| Tritanopia (no blue cones) | #A2857C | 0.099 |
| Achromatopsia (no color) | #8C8C8C | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #978E37
#978E37
oklch(63.7% 0.108 103.4)
- #8382CB
#8382CB
oklch(63.8% 0.108 283.5)
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 #978E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mustard #A88905 ΔE 0.031
- Camo #7F8F4E ΔE 0.037
- Yellowy Brown #AE8B0C ΔE 0.038
- Pea Soup #929901 ΔE 0.047
- Dark Sand #A88F59 ΔE 0.048
- Mustard Brown #AC7E04 ΔE 0.049
- Dark Tan #AF884A ΔE 0.049
- Drab #828344 ΔE 0.049
Use #978E37 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.