#B9C74A
Closest named color: Mustard Yellow (#D2BD0A). oklch(79.5% 0.148 115.3), rgb(185, 199, 74).
Aa
Black text reads best on this color (11.33:1).
About this color
#B9C74A is a light, vivid yellow. In OKLCH its lightness is 80%, its chroma 0.148 and its hue 115°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.041 away. Black text reads best on it, at 11.33:1.
| Hue family | Yellows |
| Lightness | light (80%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.33:1 |
| White text | 1.85:1 |
Values
| HEX | #B9C74A |
| RGB | rgb(185, 199, 74) |
| HSL | hsl(67, 53%, 54%) |
| OKLCH | oklch(79.5% 0.148 115.3) |
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 #B9C74A | 1.85:1 | Fails | Lc -39.0 | Non-text elements, placeholder text |
| Black text on #B9C74A | 11.33:1 | AAA | Lc 69.1 | Content text, not long reading |
| #B9C74A text on white | 1.85:1 | Fails | Lc 34.8 | Non-text elements, placeholder text |
| #B9C74A text on black | 11.33:1 | AAA | Lc -67.7 | Content text, not long reading |
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 300.
-
Step 50
50
#F5F7E8
oklch(97.1% 0.02 112.9)
-
Step 100
100
#E8EECE
oklch(93.6% 0.043 115.9)
-
Step 200
200
#D7E0A2
oklch(88.5% 0.081 114.8)
-
Step 300
300 (this color)
#B9C74A
oklch(79.5% 0.148 115.3)
-
Step 400
400
#9EAB00
oklch(70.7% 0.16 115.1)
-
Step 500
500
#879300
oklch(63.2% 0.144 115.4)
-
Step 600
600
#717B00
oklch(55.5% 0.126 115.3)
-
Step 700
700
#5F6700
oklch(49% 0.111 115)
-
Step 800
800
#4D5500
oklch(42.8% 0.098 115.9)
-
Step 900
900
#404600
oklch(37.6% 0.085 115.2)
-
Step 950
950
#262A00
oklch(27.2% 0.062 115.2)
#B9C74A 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) | #D4BD3A | 0.042 |
| Deuteranopia (no green cones) | #D3BF52 | 0.044 |
| Tritanopia (no blue cones) | #C4BCAD | 0.130 |
| Achromatopsia (no color) | #BEBEBE | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9C74A
#B9C74A
oklch(79.5% 0.148 115.3)
- #C2ADFF
#C2ADFF
oklch(79.6% 0.116 295.4)
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 #B9C74A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.041
- Light Olive Green #A4BE5C ΔE 0.043
- Olive Yellow #C2B709 ΔE 0.043
- Light Moss Green #A6C875 ΔE 0.043
- Light Olive #ACBF69 ΔE 0.043
- Pea #A4BF20 ΔE 0.045
- Pale Olive Green #B1D27B ΔE 0.046
- Greenish Tan #BCCB7A ΔE 0.046
Use #B9C74A 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.