#55AB33
Closest named color: Grass (#5CAC2D). oklch(66.3% 0.176 138.3), rgb(85, 171, 51).
Aa
Black text reads best on this color (7.25:1).
About this color
#55AB33 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.176 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.008 away. Black text reads best on it, at 7.25:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.25:1 |
| White text | 2.89:1 |
Values
| HEX | #55AB33 |
| RGB | rgb(85, 171, 51) |
| HSL | hsl(103, 54%, 44%) |
| OKLCH | oklch(66.3% 0.176 138.3) |
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 #55AB33 | 2.89:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #55AB33 | 7.25:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #55AB33 text on white | 2.89:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #55AB33 text on black | 7.25:1 | AAA | Lc -46.9 | 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 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
#CAE1C3
oklch(88.5% 0.047 138.4)
-
Step 300
300
#A5CE98
oklch(80.8% 0.086 138.3)
-
Step 400
400
#73B55D
oklch(70.8% 0.139 138.3)
-
Step 500
500 (this color)
#55AB33
oklch(66.3% 0.176 138.3)
-
Step 600
600
#348900
oklch(55.6% 0.173 138.4)
-
Step 700
700
#2B7300
oklch(49% 0.152 138.2)
-
Step 800
800
#225F00
oklch(42.8% 0.133 138.3)
-
Step 900
900
#1C4F03
oklch(37.8% 0.115 138.4)
-
Step 950
950
#122E07
oklch(26.9% 0.072 138.2)
#55AB33 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) | #B09C21 | 0.114 |
| Deuteranopia (no green cones) | #A5953E | 0.115 |
| Tritanopia (no blue cones) | #4EA593 | 0.122 |
| Achromatopsia (no color) | #989898 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55AB33
#55AB33
oklch(66.3% 0.176 138.3)
- #BF6BD7
#BF6BD7
oklch(66.3% 0.175 318.4)
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 #55AB33, closest first.
No curated palette has a color within ΔE 0.04 of #55AB33.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.008
- Leaf Green #5CA904 ΔE 0.019
- Medium Green #39AD48 ΔE 0.022
- Mid Green #50A747 ΔE 0.023
- Leaf #71AA34 ΔE 0.028
- Dark Pastel Green #56AE57 ΔE 0.033
- Leafy Green #51B73B ΔE 0.033
- Fern #63A950 ΔE 0.034
Use #55AB33 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.