#439E21
Closest named color: Grassy Green (#419C03). oklch(62% 0.179 139), rgb(67, 158, 33).
Aa
Black text reads best on this color (6.15:1).
About this color
#439E21 is a medium-light, vivid green. In OKLCH its lightness is 62%, its chroma 0.179 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.012 away. Black text reads best on it, at 6.15:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.15:1 |
| White text | 3.41:1 |
Values
| HEX | #439E21 |
| RGB | rgb(67, 158, 33) |
| HSL | hsl(104, 65%, 37%) |
| OKLCH | oklch(62% 0.179 139) |
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 #439E21 | 3.41:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #439E21 | 6.15:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #439E21 text on white | 3.41:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #439E21 text on black | 6.15:1 | AA | Lc -40.4 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDE
oklch(93.6% 0.025 137.8)
-
Step 200
200
#C9E1C3
oklch(88.4% 0.048 139.4)
-
Step 300
300
#A4CF98
oklch(81% 0.088 138.9)
-
Step 400
400
#71B55D
oklch(70.7% 0.14 138.9)
-
Step 500
500 (this color)
#439E21
oklch(62% 0.179 139)
-
Step 600
600
#308A00
oklch(55.7% 0.176 139)
-
Step 700
700
#277400
oklch(49.2% 0.155 139)
-
Step 800
800
#1E5F00
oklch(42.7% 0.135 139.1)
-
Step 900
900
#194F02
oklch(37.7% 0.117 139)
-
Step 950
950
#102E07
oklch(26.8% 0.073 139.3)
#439E21 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) | #A38F00 | 0.118 |
| Deuteranopia (no green cones) | #97882F | 0.117 |
| Tritanopia (no blue cones) | #399887 | 0.124 |
| Achromatopsia (no color) | #8B8B8B | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #439E21
#439E21
oklch(62% 0.179 139)
- #B35CC9
#B35CC9
oklch(62% 0.179 319.2)
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 #439E21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.012
- Grass Green #3F9B0B ΔE 0.013
- Kelly Green #02AB2E ΔE 0.039
- Mid Green #50A747 ΔE 0.040
- Irish Green #019529 ΔE 0.043
- Leaf Green #5CA904 ΔE 0.043
- Medium Green #39AD48 ΔE 0.045
- True Green #089404 ΔE 0.046
Use #439E21 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.