#6DB421
Closest named color: Leafy Green (#51B73B). oklch(69.7% 0.185 133), rgb(109, 180, 33).
Aa
Black text reads best on this color (8.20:1).
About this color
#6DB421 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.185 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.024 away. Black text reads best on it, at 8.20:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.185) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.20:1 |
| White text | 2.56:1 |
Values
| HEX | #6DB421 |
| RGB | rgb(109, 180, 33) |
| HSL | hsl(89, 69%, 42%) |
| OKLCH | oklch(69.7% 0.185 133) |
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 #6DB421 | 2.56:1 | Fails | Lc -55.0 | Large or bold text, headings |
| Black text on #6DB421 | 8.20:1 | AAA | Lc 54.2 | Large or bold text, headings |
| #6DB421 text on white | 2.56:1 | Fails | Lc 49.8 | Large or bold text, headings |
| #6DB421 text on black | 8.20:1 | AAA | Lc -52.1 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F8ED
oklch(97.1% 0.016 133.8)
-
Step 100
100
#E1EFD9
oklch(93.6% 0.033 133.9)
-
Step 200
200
#C9E3B8
oklch(88.5% 0.064 133.1)
-
Step 300
300
#A3D182
oklch(80.9% 0.116 133)
-
Step 400
400 (this color)
#6DB421
oklch(69.7% 0.185 133)
-
Step 500
500
#5B9E00
oklch(63% 0.178 133)
-
Step 600
600
#4C8500
oklch(55.5% 0.157 132.9)
-
Step 700
700
#3F7000
oklch(49.1% 0.138 133)
-
Step 800
800
#335C00
oklch(42.8% 0.12 132.9)
-
Step 900
900
#294D00
oklch(37.8% 0.107 133.2)
-
Step 950
950
#162E00
oklch(27.1% 0.077 133.4)
#6DB421 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) | #BCA500 | 0.105 |
| Deuteranopia (no green cones) | #B2A033 | 0.105 |
| Tritanopia (no blue cones) | #6DAC9A | 0.139 |
| Achromatopsia (no color) | #A2A2A2 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DB421
#6DB421
oklch(69.7% 0.185 133)
- #C575ED
#C575ED
oklch(69.6% 0.185 313.3)
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 #6DB421, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.024
- Dark Lime #84B701 ΔE 0.028
- Frog Green #58BC08 ΔE 0.031
- Grass #5CAC2D ΔE 0.031
- Leaf #71AA34 ΔE 0.033
- Dark Lime Green #7EBD01 ΔE 0.034
- Turtle Green #75B84F ΔE 0.036
- Leaf Green #5CA904 ΔE 0.038
Use #6DB421 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.