#489A21
Closest named color: Grass Green (#3F9B0B). oklch(61.1% 0.172 137.9), rgb(72, 154, 33).
Aa
Black text reads best on this color (5.91:1).
About this color
#489A21 is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.172 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.014 away. Black text reads best on it, at 5.91:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.91:1 |
| White text | 3.54:1 |
Values
| HEX | #489A21 |
| RGB | rgb(72, 154, 33) |
| HSL | hsl(101, 65%, 37%) |
| OKLCH | oklch(61.1% 0.172 137.9) |
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 #489A21 | 3.54:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #489A21 | 5.91:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #489A21 text on white | 3.54:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #489A21 text on black | 5.91:1 | AA | Lc -39.0 | 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
#CBE1C3
oklch(88.5% 0.047 137.3)
-
Step 300
300
#A6CE99
oklch(80.9% 0.084 138.1)
-
Step 400
400
#75B45E
oklch(70.7% 0.135 137.9)
-
Step 500
500 (this color)
#489A21
oklch(61.1% 0.172 137.9)
-
Step 600
600
#378900
oklch(55.7% 0.172 137.9)
-
Step 700
700
#2D7300
oklch(49.1% 0.151 137.9)
-
Step 800
800
#235E00
oklch(42.6% 0.131 138)
-
Step 900
900
#1E4E05
oklch(37.6% 0.112 138)
-
Step 950
950
#132E07
oklch(27% 0.071 137.7)
#489A21 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) | #9F8C01 | 0.110 |
| Deuteranopia (no green cones) | #95852E | 0.112 |
| Tritanopia (no blue cones) | #429483 | 0.120 |
| Achromatopsia (no color) | #888888 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #489A21
#489A21
oklch(61.1% 0.172 137.9)
- #AD5CC5
#AD5CC5
oklch(61.1% 0.172 318)
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 #489A21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.014
- Grassy Green #419C03 ΔE 0.016
- Irish Green #019529 ΔE 0.038
- True Green #089404 ΔE 0.043
- Sap Green #5C8B15 ΔE 0.044
- Kelley Green #009337 ΔE 0.044
- Mid Green #50A747 ΔE 0.045
- Olive Drab #6B8E23 ΔE 0.048
Use #489A21 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.