#33901E
Closest named color: Irish Green (#019529). oklch(57.6% 0.171 140.5), rgb(51, 144, 30).
Aa
Black text reads best on this color (5.14:1).
About this color
#33901E is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.171 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Irish Green (#019529), ΔE 0.019 away. Black text reads best on it, at 5.14:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Irish Green (#019529) |
| Black text | 5.14:1 |
| White text | 4.07:1 |
Values
| HEX | #33901E |
| RGB | rgb(51, 144, 30) |
| HSL | hsl(109, 66%, 34%) |
| OKLCH | oklch(57.6% 0.171 140.5) |
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 #33901E | 4.07:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #33901E | 5.14:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #33901E text on white | 4.07:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #33901E text on black | 5.14:1 | AA | Lc -34.1 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CBE1C6
oklch(88.6% 0.043 139.9)
-
Step 300
300
#A6CD9F
oklch(80.8% 0.076 140.8)
-
Step 400
400
#75B369
oklch(70.6% 0.122 140.4)
-
Step 500
500
#4DA03D
oklch(63.2% 0.158 140.6)
-
Step 600
600 (this color)
#33901E
oklch(57.6% 0.171 140.5)
-
Step 700
700
#1D7502
oklch(49.2% 0.159 140.6)
-
Step 800
800
#1B5F0A
oklch(42.6% 0.132 140.5)
-
Step 900
900
#1E4E14
oklch(37.7% 0.102 140.5)
-
Step 950
950
#132E0D
oklch(27.1% 0.065 140.1)
#33901E 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) | #948200 | 0.116 |
| Deuteranopia (no green cones) | #897B2B | 0.116 |
| Tritanopia (no blue cones) | #248B7B | 0.115 |
| Achromatopsia (no color) | #7E7E7E | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33901E
#33901E
oklch(57.6% 0.171 140.5)
- #A450B6
#A450B6
oklch(57.5% 0.171 320.3)
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 #33901E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Irish Green #019529 ΔE 0.019
- Emerald Green #028F1E ΔE 0.019
- Forest Green #228B22 ΔE 0.020
- Kelley Green #009337 ΔE 0.021
- True Green #089404 ΔE 0.025
- Sap Green #5C8B15 ΔE 0.037
- Grass Green #3F9B0B ΔE 0.037
- Grassy Green #419C03 ΔE 0.041
Use #33901E 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.