#45B372
Closest named color: Medium Sea Green (#3CB371). oklch(68.7% 0.139 154.2), rgb(69, 179, 114).
Aa
Black text reads best on this color (7.94:1).
About this color
#45B372 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.139 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.006 away. Black text reads best on it, at 7.94:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 7.94:1 |
| White text | 2.64:1 |
Values
| HEX | #45B372 |
| RGB | rgb(69, 179, 114) |
| HSL | hsl(145, 44%, 49%) |
| OKLCH | oklch(68.7% 0.139 154.2) |
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 #45B372 | 2.64:1 | Fails | Lc -56.3 | Large or bold text, headings |
| Black text on #45B372 | 7.94:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #45B372 text on white | 2.64:1 | Fails | Lc 51.2 | Large or bold text, headings |
| #45B372 text on black | 7.94:1 | AAA | Lc -50.7 | 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 400.
-
Step 50
50
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DEEFE2
oklch(93.6% 0.025 152.9)
-
Step 200
200
#C1E3CB
oklch(88.5% 0.048 154.6)
-
Step 300
300
#94D2A7
oklch(81% 0.088 153.8)
-
Step 400
400 (this color)
#45B372
oklch(68.7% 0.139 154.2)
-
Step 500
500
#00A45B
oklch(63.1% 0.158 154.2)
-
Step 600
600
#008A4C
oklch(55.6% 0.139 154.3)
-
Step 700
700
#00743F
oklch(49.1% 0.123 154.3)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#005029
oklch(37.8% 0.096 153.9)
-
Step 950
950
#003016
oklch(27.1% 0.069 153.7)
#45B372 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) | #B3A56E | 0.124 |
| Deuteranopia (no green cones) | #A49B76 | 0.120 |
| Tritanopia (no blue cones) | #1AB1A2 | 0.069 |
| Achromatopsia (no color) | #9F9F9F | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45B372
#45B372
oklch(68.7% 0.139 154.2)
- #CE77BD
#CE77BD
oklch(68.7% 0.14 334.6)
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 #45B372, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.006
- Dark Seafoam Green #3EAF76 ΔE 0.015
- Dark Seafoam #1FB57A ΔE 0.017
- Bluey Green #2BB179 ΔE 0.018
- Green Teal #0CB577 ΔE 0.020
- Algae #54AC68 ΔE 0.020
- Seaweed Green #35AD6B ΔE 0.022
- Jade Green #2BAF6A ΔE 0.022
Use #45B372 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.