#978A39
Closest named color: Dark Mustard (#A88905). oklch(62.9% 0.103 100.2), rgb(151, 138, 57).
Aa
Black text reads best on this color (6.01:1).
About this color
#978A39 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 63%, its chroma 0.103 and its hue 100°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mustard (#A88905), ΔE 0.034 away. Black text reads best on it, at 6.01:1.
| Hue family | Yellows |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Dark Mustard (#A88905) |
| Black text | 6.01:1 |
| White text | 3.49:1 |
Values
| HEX | #978A39 |
| RGB | rgb(151, 138, 57) |
| HSL | hsl(52, 45%, 41%) |
| OKLCH | oklch(62.9% 0.103 100.2) |
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 #978A39 | 3.49:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #978A39 | 6.01:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #978A39 text on white | 3.49:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #978A39 text on black | 6.01:1 | AA | Lc -39.3 | 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#ECEADF
oklch(93.6% 0.015 98.3)
-
Step 200
200
#DDDAC5
oklch(88.5% 0.028 100.3)
-
Step 300
300
#C8C29D
oklch(80.9% 0.05 99.8)
-
Step 400
400
#ACA266
oklch(70.7% 0.081 100)
-
Step 500
500 (this color)
#978A39
oklch(62.9% 0.103 100.2)
-
Step 600
600
#83740E
oklch(55.6% 0.111 99.9)
-
Step 700
700
#6E6100
oklch(49% 0.102 100.2)
-
Step 800
800
#5A5006
oklch(42.8% 0.086 100.7)
-
Step 900
900
#4A4212
oklch(37.7% 0.066 99.7)
-
Step 950
950
#2B270C
oklch(27% 0.043 101)
#978A39 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) | #968630 | 0.012 |
| Deuteranopia (no green cones) | #9A8B3D | 0.007 |
| Tritanopia (no blue cones) | #A28179 | 0.094 |
| Achromatopsia (no color) | #898989 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #978A39
#978A39
oklch(62.9% 0.103 100.2)
- #7D81C6
#7D81C6
oklch(62.8% 0.103 280.4)
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 #978A39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mustard #A88905 ΔE 0.034
- Camo #7F8F4E ΔE 0.037
- Drab #828344 ΔE 0.041
- Yellowy Brown #AE8B0C ΔE 0.041
- Mustard Brown #AC7E04 ΔE 0.043
- Coffee #A6814C ΔE 0.045
- Dark Tan #AF884A ΔE 0.046
- Dark Sand #A88F59 ΔE 0.046
Use #978A39 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.