#45A121
Closest named color: Grassy Green (#419C03). oklch(62.9% 0.182 138.8), rgb(69, 161, 33).
Aa
Black text reads best on this color (6.37:1).
About this color
#45A121 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.182 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.017 away. Black text reads best on it, at 6.37:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.182) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.37:1 |
| White text | 3.29:1 |
Values
| HEX | #45A121 |
| RGB | rgb(69, 161, 33) |
| HSL | hsl(103, 66%, 38%) |
| OKLCH | oklch(62.9% 0.182 138.8) |
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 #45A121 | 3.29:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #45A121 | 6.37:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #45A121 text on white | 3.29:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #45A121 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDE
oklch(93.6% 0.025 137.8)
-
Step 200
200
#C9E2C2
oklch(88.6% 0.051 138.9)
-
Step 300
300
#A4CF97
oklch(80.9% 0.089 138.5)
-
Step 400
400
#70B55B
oklch(70.6% 0.142 138.8)
-
Step 500
500 (this color)
#45A121
oklch(62.9% 0.182 138.8)
-
Step 600
600
#318900
oklch(55.5% 0.174 138.8)
-
Step 700
700
#287400
oklch(49.2% 0.155 138.8)
-
Step 800
800
#1F5F00
oklch(42.7% 0.134 138.9)
-
Step 900
900
#194F00
oklch(37.7% 0.118 138.8)
-
Step 950
950
#102F06
oklch(27.1% 0.076 139.1)
#45A121 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) | #A69200 | 0.119 |
| Deuteranopia (no green cones) | #9A8B30 | 0.118 |
| Tritanopia (no blue cones) | #3C9B89 | 0.125 |
| Achromatopsia (no color) | #8E8E8E | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45A121
#45A121
oklch(62.9% 0.182 138.8)
- #B65ECD
#B65ECD
oklch(62.9% 0.181 319)
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 #45A121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.017
- Grass Green #3F9B0B ΔE 0.020
- Kelly Green #02AB2E ΔE 0.033
- Leaf Green #5CA904 ΔE 0.034
- Mid Green #50A747 ΔE 0.035
- Medium Green #39AD48 ΔE 0.038
- Grass #5CAC2D ΔE 0.040
- Irish Green #019529 ΔE 0.051
Use #45A121 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.