#778E31
Closest named color: Olive Drab (#6B8E23). oklch(60.9% 0.122 121.9), rgb(119, 142, 49).
Aa
Black text reads best on this color (5.69:1).
About this color
#778E31 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 61%, its chroma 0.122 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Drab (#6B8E23), ΔE 0.021 away. Black text reads best on it, at 5.69:1.
| Hue family | Yellows |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Olive Drab (#6B8E23) |
| Black text | 5.69:1 |
| White text | 3.68:1 |
Values
| HEX | #778E31 |
| RGB | rgb(119, 142, 49) |
| HSL | hsl(75, 49%, 37%) |
| OKLCH | oklch(60.9% 0.122 121.9) |
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 #778E31 | 3.68:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #778E31 | 5.69:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #778E31 text on white | 3.68:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #778E31 text on black | 5.69:1 | AA | Lc -37.3 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECDF
oklch(93.6% 0.018 120.7)
-
Step 200
200
#D5DDC5
oklch(88.5% 0.033 122.1)
-
Step 300
300
#BAC79D
oklch(80.9% 0.059 121.7)
-
Step 400
400
#97AA66
oklch(70.7% 0.094 121.6)
-
Step 500
500 (this color)
#778E31
oklch(60.9% 0.122 121.9)
-
Step 600
600
#677E08
oklch(55.5% 0.132 121.7)
-
Step 700
700
#566A00
oklch(49% 0.118 121.7)
-
Step 800
800
#465703
oklch(42.7% 0.102 121.9)
-
Step 900
900
#3B4810
oklch(37.8% 0.08 121.7)
-
Step 950
950
#222A0C
oklch(26.9% 0.05 122.3)
#778E31 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) | #968625 | 0.047 |
| Deuteranopia (no green cones) | #938538 | 0.049 |
| Tritanopia (no blue cones) | #7D877B | 0.102 |
| Achromatopsia (no color) | #858585 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778E31
#778E31
oklch(60.9% 0.122 121.9)
- #9170BF
#9170BF
oklch(61% 0.121 302.2)
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 #778E31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Drab #6B8E23 ΔE 0.021
- Moss Green #658B38 ΔE 0.026
- Dark Yellow Green #728F02 ΔE 0.026
- Khaki Green #728639 ΔE 0.028
- Mossy Green #638B27 ΔE 0.030
- Swamp Green #748500 ΔE 0.032
- Drab Green #749551 ΔE 0.032
- Camo #7F8F4E ΔE 0.033
Use #778E31 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.