#33A23B
Closest named color: Grass Green (#3F9B0B). oklch(62.8% 0.173 144.2), rgb(51, 162, 59).
Aa
Black text reads best on this color (6.37:1).
About this color
#33A23B is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.173 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.029 away. Black text reads best on it, at 6.37:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 6.37:1 |
| White text | 3.29:1 |
Values
| HEX | #33A23B |
| RGB | rgb(51, 162, 59) |
| HSL | hsl(124, 52%, 42%) |
| OKLCH | oklch(62.8% 0.173 144.2) |
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 #33A23B | 3.29:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #33A23B | 6.37:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #33A23B text on white | 3.29:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #33A23B text on black | 6.37:1 | AA | Lc -41.8 | 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E0EEE0
oklch(93.5% 0.024 145.4)
-
Step 200
200
#C7E2C6
oklch(88.5% 0.048 144.2)
-
Step 300
300
#9FCF9E
oklch(80.8% 0.085 144.2)
-
Step 400
400
#67B668
oklch(70.6% 0.136 144.2)
-
Step 500
500 (this color)
#33A23B
oklch(62.8% 0.173 144.2)
-
Step 600
600
#008C1D
oklch(55.6% 0.179 144.2)
-
Step 700
700
#007617
oklch(49.1% 0.158 144.3)
-
Step 800
800
#006111
oklch(42.8% 0.138 144.2)
-
Step 900
900
#0B5013
oklch(37.7% 0.113 144.3)
-
Step 950
950
#0B2F0D
oklch(27% 0.071 144.1)
#33A23B 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) | #A5932F | 0.128 |
| Deuteranopia (no green cones) | #988A44 | 0.128 |
| Tritanopia (no blue cones) | #129E8C | 0.107 |
| Achromatopsia (no color) | #8E8E8E | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33A23B
#33A23B
oklch(62.8% 0.173 144.2)
- #BA5EC2
#BA5EC2
oklch(62.8% 0.173 324.3)
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 #33A23B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.029
- Grassy Green #419C03 ΔE 0.029
- Mid Green #50A747 ΔE 0.030
- Medium Green #39AD48 ΔE 0.033
- Kelly Green #02AB2E ΔE 0.033
- Irish Green #019529 ΔE 0.046
- Leaf Green #5CA904 ΔE 0.047
- Grass #5CAC2D ΔE 0.047
Use #33A23B 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.