#488B21
Closest named color: Sap Green (#5C8B15). oklch(57.1% 0.153 136.6), rgb(72, 139, 33).
Aa
Black text reads best on this color (4.99:1).
About this color
#488B21 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.153 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.020 away. Black text reads best on it, at 4.99:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #488B21 |
| RGB | rgb(72, 139, 33) |
| HSL | hsl(98, 62%, 34%) |
| OKLCH | oklch(57.1% 0.153 136.6) |
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 #488B21 | 4.20:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #488B21 | 4.99:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #488B21 text on white | 4.20:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #488B21 text on black | 4.99:1 | AA | Lc -32.9 | 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 600.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CEDFC7
oklch(88.4% 0.037 136.5)
-
Step 300
300
#ACCBA0
oklch(80.8% 0.068 137)
-
Step 400
400
#80B16B
oklch(70.8% 0.111 136.7)
-
Step 500
500
#5F9C40
oklch(63% 0.141 136.4)
-
Step 600
600 (this color)
#488B21
oklch(57.1% 0.153 136.6)
-
Step 700
700
#35720A
oklch(49.2% 0.143 136.6)
-
Step 800
800
#2C5D0F
oklch(42.8% 0.119 136.8)
-
Step 900
900
#284C16
oklch(37.6% 0.092 136.8)
-
Step 950
950
#182D0E
oklch(27.1% 0.059 136.7)
#488B21 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) | #907F0B | 0.095 |
| Deuteranopia (no green cones) | #87792C | 0.097 |
| Tritanopia (no blue cones) | #458677 | 0.109 |
| Achromatopsia (no color) | #7B7B7B | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #488B21
#488B21
oklch(57.1% 0.153 136.6)
- #9B56B3
#9B56B3
oklch(57.1% 0.154 316.8)
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 #488B21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.020
- Forest Green #228B22 ΔE 0.027
- Mossy Green #638B27 ΔE 0.031
- Kelley Green #009337 ΔE 0.035
- Emerald Green #028F1E ΔE 0.036
- Fern Green #548D44 ΔE 0.036
- Dark Grass Green #388004 ΔE 0.039
- Irish Green #019529 ΔE 0.040
Use #488B21 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.