#45B779
Closest named color: Medium Sea Green (#3CB371). oklch(69.9% 0.138 156.1), rgb(69, 183, 121).
Aa
Black text reads best on this color (8.30:1).
About this color
#45B779 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.138 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.016 away. Black text reads best on it, at 8.30:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 8.30:1 |
| White text | 2.52:1 |
Values
| HEX | #45B779 |
| RGB | rgb(69, 183, 121) |
| HSL | hsl(147, 45%, 49%) |
| OKLCH | oklch(69.9% 0.138 156.1) |
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 #45B779 | 2.52:1 | Fails | Lc -54.3 | Large or bold text, headings |
| Black text on #45B779 | 8.30:1 | AAA | Lc 54.7 | Large or bold text, headings |
| #45B779 text on white | 2.52:1 | Fails | Lc 49.3 | Large or bold text, headings |
| #45B779 text on black | 8.30:1 | AAA | Lc -52.7 | 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
#DDEFE3
oklch(93.5% 0.025 156.7)
-
Step 200
200
#C1E3CC
oklch(88.5% 0.048 155.7)
-
Step 300
300
#92D2A9
oklch(80.9% 0.087 155.8)
-
Step 400
400 (this color)
#45B779
oklch(69.9% 0.138 156.1)
-
Step 500
500
#00A461
oklch(63.2% 0.153 156.1)
-
Step 600
600
#008A50
oklch(55.7% 0.136 155.8)
-
Step 700
700
#007443
oklch(49.1% 0.119 156.1)
-
Step 800
800
#005F36
oklch(42.7% 0.103 156.1)
-
Step 900
900
#004F2C
oklch(37.6% 0.091 156.1)
-
Step 950
950
#002F18
oklch(26.8% 0.065 156.1)
#45B779 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) | #B6A975 | 0.125 |
| Deuteranopia (no green cones) | #A79E7D | 0.123 |
| Tritanopia (no blue cones) | #0DB5A7 | 0.067 |
| Achromatopsia (no color) | #A3A3A3 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45B779
#45B779
oklch(69.9% 0.138 156.1)
- #D37BBE
#D37BBE
oklch(70% 0.137 336.4)
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 #45B779, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.016
- Dark Seafoam #1FB57A ΔE 0.019
- Green Teal #0CB577 ΔE 0.024
- Dark Seafoam Green #3EAF76 ΔE 0.024
- Bluey Green #2BB179 ΔE 0.024
- Boring Green #63B365 ΔE 0.028
- Dark Mint #48C072 ΔE 0.031
- Cool Green #33B864 ΔE 0.031
Use #45B779 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.