#6D9903
Closest named color: Dark Yellow Green (#728F02). oklch(62.7% 0.162 127.3), rgb(109, 153, 3).
Aa
Black text reads best on this color (6.20:1).
About this color
#6D9903 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.162 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Yellow Green (#728F02), ΔE 0.028 away. Black text reads best on it, at 6.20:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Dark Yellow Green (#728F02) |
| Black text | 6.20:1 |
| White text | 3.38:1 |
Values
| HEX | #6D9903 |
| RGB | rgb(109, 153, 3) |
| HSL | hsl(78, 96%, 31%) |
| OKLCH | oklch(62.7% 0.162 127.3) |
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 #6D9903 | 3.38:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #6D9903 | 6.20:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #6D9903 text on white | 3.38:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #6D9903 text on black | 6.20:1 | AA | Lc -40.6 | 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
#F3F7EF
oklch(97.1% 0.011 128.6)
-
Step 100
100
#E6EDDD
oklch(93.6% 0.023 126.2)
-
Step 200
200
#D1DFC0
oklch(88.5% 0.044 127.1)
-
Step 300
300
#B2CB93
oklch(80.9% 0.08 127.6)
-
Step 400
400
#8BAF54
oklch(70.7% 0.126 127.2)
-
Step 500
500 (this color)
#6D9903
oklch(62.7% 0.162 127.3)
-
Step 600
600
#5C8200
oklch(55.7% 0.144 127.3)
-
Step 700
700
#4C6D00
oklch(49.1% 0.127 127.5)
-
Step 800
800
#3E5900
oklch(42.6% 0.11 127.2)
-
Step 900
900
#334A00
oklch(37.6% 0.097 127.1)
-
Step 950
950
#1D2C02
oklch(27% 0.067 127.5)
#6D9903 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) | #A18D00 | 0.078 |
| Deuteranopia (no green cones) | #9C8B1E | 0.078 |
| Tritanopia (no blue cones) | #729181 | 0.129 |
| Achromatopsia (no color) | #8C8C8C | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D9903
#6D9903
oklch(62.7% 0.162 127.3)
- #A36AD3
#A36AD3
oklch(62.8% 0.161 307.5)
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 #6D9903, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Yellow Green #728F02 ΔE 0.028
- Olive Drab #6B8E23 ΔE 0.037
- Grassy Green #419C03 ΔE 0.043
- Flat Green #699D4C ΔE 0.044
- Grass Green #3F9B0B ΔE 0.044
- Leaf Green #5CA904 ΔE 0.047
- Mid Green #50A747 ΔE 0.048
- Sap Green #5C8B15 ΔE 0.048
Use #6D9903 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.